fix label for all_data snapshots
fix label for all_data snapshots

Change-Id: Ibeb995012cc46998ebac452681a639af83a223e1
Reviewed-on: http://review.couchbase.org/30297
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Pavel Paulau <dd88eded64e90046a680e3a6c0828ceb8fe8a0e7@gmail.com>

couchbase/cbmonitor,couchbase/cbmonitor